HMC Instrumentation & Controls

Specializing in the design and manufacturing of pneumatic, hydraulic and electronic instrumentation packages, we turnkey manufacture custom control systems that are built to your specifications and requirements.

Onshore, Offshore, International and Domestic Instrument and Electrical Field Service for trouble shooting repair work and new construction.

Tel. 832-252-9280

Fax. 713-462-1453

  Safety Quality Teamwork

Texas Proud
Made in the U.S.A.


Turnkey Solutions

Our expert staff consist of highly knowledgeable people who work together with a quality objective in order to acheive the goals for each project sucessfully. We design engineer and turnkey manufacturer pneumatic, hydraulic and electronic control systems and are a leading supplier of pneumatic, hydraulic and electronic components used in the oil & gas industry. 

Redundant quality checks are incorporated throughout the design and manufacturing process, from design to fabrication to programming to integration to project management to commissioning - HMC makes sure that every step is of the highest quality workmanship and of the highest quality components.


Field Service


Domestic or international with nearly 300 field service hands, we provide professional quality installation and maintenance on a variety of pneumatic, hydraulic and electronic control systems and equipment.

Trouble shooting, repair work, or new construction,  you can expect a high level of expertise and professionalism from our service hands. Read more...

Pneumatic Hydraulic

We are pneumatic and hydraulic experts.



We manufacture a variety of products to be utilized in the oil and gas industry.

Wellhead Control System

Hydraulic Power Units

Fire Water Systems

Test & Flush Equipment

Umbilical & Hose Reel


Mobil Test Bench - pneumatic hydraulic

Panel Shop


HMC in Houston, Texas specializes in providing UL explosion-proof (also known as NEMA 7, ATEX, IEC Ex) and stainless steel (also known as UL Type 4x, NEMA 4X) panels for hazardous locations and corrosive environments.

Our control panel solutions include panel with main breakers, main lug only (MLO), and fusible disconnects.  Panels can be made according to UL standards and the National Electric Code (NEC), or they can be made to IEC standards.


HMC Instrumentation & Controls

– Safety Quality Teamwork